--- 56d98eb20a255c673f4491d64bf89e65c27d382e
+++ f6227340a5d0791324b2e26495e11e512bca5b5c
@@ -2439,8 +2439,6 @@ mptscsih_slave_configure(struct scsi_dev
 		ioc->name,sdev->tagged_supported, sdev->simple_tags,
 		sdev->ordered_tags));
 
-	blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
-
 	return 0;
 }